Sharks gavin chandler

  • Sharks lived over three-hundred million years ago
  • Sharks are among the oldest living things on Earth
  • Sharks are an apex predator at or near the top of the marine food chain
  • If a massive depletion of sharks happen it will have cascading effects throughout the oceans ecosystem
  • Sharks are carnivorous and eat fish,larger animals like seals,and even other sharks
  • Sharks have become some of the speediest swimmers in the ocean
  • Many shark species known for speed also have slim,torpedo shaped heads
  • There are around two-hundred to two-hundred fifty two species of shark in the ocean
  • The majority of sharks live in temperate and tropical regions
  • Half of all shark species are less than one meter long
  • Sharks come in a variety of colors including bubble gum pink
  • Most shark species will drown if they stop moving in the water
  • Sharks never enter a true state of sleep
  • Sharks use buccal pumping to make sure oxygen never stops when they are on the sea bed
  • Nurse sharks spend most of their time in shallow water
  • The recently discovered Megamouth shark lives in the deepest part of the ocean
  • Only a few species of shark are known to attack humans
  • An average of thirty to fifty shark attacks are reported each year
  • Only five to ten attacks prove to be fatal
  • Almost all sharks like to do there hunting solo
  • The great white shark for example rarely partakes in feeding frenzies
  • The great white shark can eat eleven tons of food a year
  • The most harmless sharks tend to be the largest ones
  • Sharks have the most powerful jaw on the planet
  • Both the sharks upper and lower jaw move, but on humans only the lower jaw moves
  • A shark bites with its lower jaw first then it bites with the upper
  • Sharks belong to a group of fish that have skeletons made of cartilage
  • Sharks breath through a series of five to seven gills located on either side of the body
  • Sharks have multiple rows of teeth
  • If they lose some teeth they continue to grow back
  • Sharks´s skin is made up of a series of scales for easy movement and for saving energy
  • Not all teeth are the same,some can be pointy and others are razor sharp
  • Each type of shark has a different shaped tooth depending on their diet
  • Sharks have a highly developed sense of smell,hearing, and sight
  • Sharks have large livers,flexible cartilaginous skeletons,and enhanced sensory system
  • Sharks livers contain oils which helps sharks keep their balance in the water
  • Some sharks have a nictitating membrane that closes to protect the eye when the shark bites
  • Sharks detect electricity using an organ called Ampullae of Lorenzini
  • Sharks can detect blood based on time it takes to reach one nostril to the other
  • Sharks actually have ears,they are within a small opening on the side of their head
  • One-hundred million sharks may be killed annually often targeted for their fins
  • Some sharks are often caught incidentally by fishing gear set for other types of fish
  • Shark population has dropped ninety percent in just one generation
  • A big problem facing shark conservation efforts in the misconception people have about sharks
  • The great hammerhead is an endangered shark species
  • The World Wildlife Fund or WWF is working to regulate trade in shark´s fin and meat
  • WWF experts continue to study shark habits and gather information on them
  • Shark fin vendors in China have reported an eighty-two percent decline in sales on fins because of conservation efforts and the WWF
  • On July 2013,sharks caught by Europe vessels anywhere in the world must be landed with their fins naturally attached
  • Rhode Island was the eleventh state to ban the sale of shark fins in the United States
  • Most sharks live twenty to thirty years and are reproductive at twelve to fifteen
  • Sharks are k-selected species which mean they produce a small amount of large
  • Baby sharks are called pups
  • There are three ways a shark can be born the eggs are laid,eggs hatch in the mother then are born,and the last way is pup sharks grow inside the mother like humans
  • Sharks can have one to one-hundred babies at a time
  • Sharks dont care for their babies once they are born

Works Cited

Shark Facts and Information. Web. 20 Apr. 2017.

"Basic Facts About Sharks." Defenders of Wildlife. 19 Sept. 2016. Web. 20 Apr. 2017.

Frost, Emily. "Sharks." Ocean Portal | Smithsonian. Smithsonian's National Museum of Natural History, 14 Mar. 2017. Web. 20 Apr. 2017.

"Shark." Britannica School, Encyclopædia Britannica, 3 Feb. 2017. Web. 26 Apr. 2017.

"SHARK FACT INDEX." Worksheets for Kids. Web. 20 Apr. 2017.

"Shark." WWF. World Wildlife Fund. Web. 20 Apr. 2017.

"Shark Facts • Interesting Information & Facts About Sharks." Shark Facts. Web. 20 Apr. 2017.

"Shark Guardian - 100 Awesome Shark Facts." SHARK & MARINE CONSERVATION WORLDWIDE. Web. 20 Apr. 2017.

Credits:

Created with images by skeeze - "shark swimming aquarium"

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